author = { Otto Brenner Stiftung },

title = { OBS-Arbeitsheft },

publisher = {OBS},

publisher = {: Inst. für Regionalforschung},

publisher = {: Otto-Brenner-Stiftung},

isbn = {1863-6934},

keywords = { Graue Literatur , Monografische Reihe },

year = {1998-},

year = {, teils},

year = {, anfangs},

address = { Frankfurt, M. , ; Göttingen , ; Berlin [u.a.] },

url = { http://slubdd.de/katalog?TN_libero_mab2 }